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Page 4 of 4 <br />SULLAWAY <br />■ ENGINEERING <br />PROJECT: GARFIELD ELEMENTARY SCHOOL DATE: 10/21/2022 <br />PROJ. NO.: 37444 ENGINEER: PRC <br />CLIENT: PLUMB SIGNS <br />units; pounds, feet unless noted otherwise <br />Check Pipe3SCH40 for torsion and combined forces (AISC 14 1-13) <br />Wind pressure = P = <br />Trib. Area = A = <br />Wind Load = WL = <br />arm = <br />Tr = <br />Fcr = <br />or <br />Fcr = <br />but not greater than: <br />0.6 Fy = <br />�Tn=�Fcr C= <br />Mr/Mc + (Tr/Tc)2 = <br />31.57 psf (See Page #2) <br />32.20 ft 2 (See Page #2) <br />1.017 k (P-A) <br />16.20 in (0.2*(6'-9")) <br />16.47 k-in (WL*arm) <br />221.1 ksi (eq'n. H3-2 <br />239.46 ksi (eq'n. H3-2 <br />21 ksi <br />65 k-in OK <br />Fy = <br />35 ksi <br />D = <br />3.5 in <br />t = <br />0.201 in <br />E = <br />29000 ksi <br />L = 72.00 in <br />C = <br />3.44 in' <br />= <br />0.9 <br />0.67 <1 OK (eq'n. H3-6) <br />(See Page #2 for Mu & Mc) <br />